voidとは

意味・読み方・使い方

語源 1

From Middle English voide, voyde, from Old French vuit, voide, vuide (modern vide), in turn from a Vulgar Latin *vocitus, related to Latin vacuus (“empty”).

形容詞

void (not comparable)

1. Containing nothing; empty; not occupied or filled.
   • 1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], OCLC 964384981, Genesis 1:2:

     The earth was without form, and void.

   • 1599, William Shakespeare, “The Tragedie of Ivlivs Cæsar”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358, [Act II, scene iv]:

     I'll get me to a place more void.

   • c. 1619–22, Philip Massinger and John Fletcher, A Very Woman

     I'll chain him in my study, that, at void hours, / I may run over the story of his country.

2. Having no incumbent; unoccupied; said of offices etc.
   • 1625, Francis Bacon, Apophthegms

     divers great offices that had been long void

3. Being without; destitute; devoid.
   • 1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], OCLC 964384981, Proverbs 11:12:

     He that is void of wisdom despiseth his neighbor.

4. Not producing any effect; ineffectual; vain.
   • 1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], OCLC 964384981, Isaiah 55:11:

     [My word] shall not return to me void, but it shall accomplish that which I please.

   • 1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], OCLC 964384981, Jeremy 19:7:

     I will make void the counsel of Judah.

5. Of no legal force or effect, incapable of confirmation or ratification.

   null and void

6. Containing no immaterial quality; destitute of mind or soul.
   • 1728, Pope, Alexander, “Book II”, in The Dunciad; republished in The Complete Poetical Works of Alexander Pope, Boston, New York: Houghton, Mifflin and Company, 1902, page 231:

     And senseless words she gave, and sounding strain, / But senseless, lifeless! idol void and vain!

7. (computing, programming, of a function または method) That does not return a value.
   • 2005, Craig Larman, Applying UML and patterns:

     In particular, the roll method is void — it has no return value.

   • 2007, Andrew Krause, Foundations of GTK+ Development:

     The return value can safely be ignored if it is a void function.

名詞

void (複数形 voids)

1. An empty space; a vacuum.

   Nobody has crossed the void since one man died trying three hundred years ago; it's high time we had another go.

   • 1711, Pope, Alexander, “Part II”, in An Essay on Criticism, lines 9–10; republished in The Complete Poetical Works of Alexander Pope, Boston, New York: Houghton, Mifflin and Company, 1902, page 70:

     Pride, where Wit fails, steps in to our defence, / And fills up all the mighty void of Sense.

2. (astronomy) An extended region of space containing no galaxies
3. (materials science) A collection of adjacent vacancies inside a crystal lattice.
4. (fluid mechanics) A pocket of vapour inside a fluid flow, created by cavitation.
5. (construction) An empty space between floors or walls, including false separations and planned gaps between a building and its facade.

同意語

• ((engineering) collection of vacancies): pore
• ((engineering) pocket of vapour in fluid): bubble

下位語

• ((astronomy) An extended region of space containing no galaxies): Local Void

動詞

void (三人称単数 現在形 voids, 現在分詞 voiding, 過去形および過去分詞形 voided)

1. (transitive) To make invalid or worthless.

   He voided the check and returned it.

   • 1702–1704, Edward [Hyde, 1st] Earl of Clarendon, “(please specify |book=I to XVI)”, in The History of the Rebellion and Civil Wars in England, Begun in the Year 1641. […], Oxford, Oxfordshire: Printed at the Theater, published 1707, OCLC 937919305:

     It was become a practice […] to void the security that was at any time given for money so borrowed.

   • 1724, [Gilbert] Burnet, [Gilbert Burnet [Jr.]], editor, Bishop Burnet’s History of His Own Time. […], volume (please specify |volume=I または II), London: […] Thomas Ward […], OCLC 863504080:

     after they had voided the obligation of the oath he had taken

2. (transitive, medicine) To empty.

   void one’s bowels

3. To throw or send out; to evacuate; to emit; to discharge.

   to void excrement

   • c. 1596–1598, William Shakespeare, “The Merchant of Venice”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358, (please specify the act number in uppercase Roman numerals):

     You, that did void your rheum upon my beard, And foot me as you spurn a stranger cur

   • 1612, John Webster, The White Devil

     With shovel, like a fury, voided out / The earth and scattered bones.

   • a. 1692, Isaac Barrow, The Danger and Mischief of Delaying Repentance

     a watchful application of mind in voiding prejudices

4. (intransitive, obsolete) To withdraw, depart.
   • 1485, Sir Thomas Malory, chapter xvj, in Le Morte Darthur, book I:

     BY than come in to the feld kynge Ban as fyers as a lyon […] / Ha a said kyng Lot we must be discomfyte / for yonder I see the moste valyaunt knyght of the world / and the man of the most renoume / for suche ij bretheren as is kyng Ban & kyng bors ar not lyuynge / wherfore we must nedes voyde or deye

5. (transitive, obsolete) To remove the contents of; to make or leave vacant or empty; to quit; to leave.

   to void a table

   • 1394, Chaucer, “v. 1149”, in The Franklin's Tale‎^[1]:

     Somtyme a castel, al of lym and stoon; And whan hem lyked, voyded it anon.

   • 1599, William Shakespeare, “The Life of Henry the Fift”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358, (please specify the act number in uppercase Roman numerals, かつ the scene number in lowercase Roman numerals):

     If they will fight with us, bid them come down, / Or void the field.

同意語

• (make invalid または worthless): annul, cancel
• ((medicine) to empty): evacuate